Records of the Geological Survey of India, Volume 121, Part 1The Survey, 1986 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 187
... quartz- muscovite - opaque paragenesis to be carlier to the S2 axial plane schistosity associated with F2 microfolds . Other mineral paragenesis including staurolite are represented by biotite + quartz + opaque and biotite + garnet + quartz ...
... quartz- muscovite - opaque paragenesis to be carlier to the S2 axial plane schistosity associated with F2 microfolds . Other mineral paragenesis including staurolite are represented by biotite + quartz + opaque and biotite + garnet + quartz ...
Page 244
... quartz - pyroxene granulites and quartz veins . Preliminary studies including collection of samples from old workings and bulk samples from trenches excavated across the bands have yielded gold values 0.08 , 0.32 and 0.44 gm / t ...
... quartz - pyroxene granulites and quartz veins . Preliminary studies including collection of samples from old workings and bulk samples from trenches excavated across the bands have yielded gold values 0.08 , 0.32 and 0.44 gm / t ...
Page 295
... quartz monzonite , biotite quartz syenite and biotite granite ; two other variants of this second phase include pink nonporphyroblastic granite and pink prophyroblastic granite . The last phase is a light grey , very fine grained ...
... quartz monzonite , biotite quartz syenite and biotite granite ; two other variants of this second phase include pink nonporphyroblastic granite and pink prophyroblastic granite . The last phase is a light grey , very fine grained ...
Contents
CENTRAL HEADQUARTERS | 1 |
Drilling Diva | 20 |
Eastern Zone | 44 |
Copyright | |
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alignment amphibolite analysis arca assess bands basalt basalt flows basemetal basin Bihar biotite block boreholes carried charnockite clay coal comprises Construction stage covering an area Deccan Trap delineated deposits depth detailed mapping Director district DIVISION Headquarters dykes exploration exposed field season Formation foundation geochemical geological investigation Geologist Geologist(Sr Geology Division geomorphological geophysical surveys geotechnical investigation geothermal gneiss Gondwana grade granite granite gneiss graphite gravity Hydel indicated investigation was taken km was covered km was mapped limestone located logging Madhya Pradesh magnetic Maharashtra migmatites mineral mineralisation occur Orissa pegmatite phosphorite phyllite power house Pradesh programme proposed quartz quartzite Quaternary Rajasthan REGIONAL GEOLOGY river rock types samples were collected sandstone schist schist belt sediments shale shear zone Sidhi district spillway sq km strike length structure studies suggested sulphide Supergroup surface Systematic geological mapping thickness toposheet traverse mapping trench trending tunnel upto